<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form action="/valid">
        <div>
            <label for="username">用户名</label>
            <input id="username" type="text" name="username">
        </div>

        <div>
            <label for="password">密码</label>
            <input id="password" type="text" name="password">
        </div>

        <input type="submit" value="登录">
    </form>


</body>
</html>